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121020110022 = 23723279144887
BaseRepresentation
bin111000010110101011…
…1000101010011000110
3102120101002200120101010
41300231113011103012
53440322122010042
6131332412543050
711512663651050
oct1605527052306
9376332616333
10121020110022
1147362773959
121b555481a86
13b548645a76
145c00a0a8d0
15323480a59c
hex1c2d5c54c6

121020110022 has 64 divisors (see below), whose sum is σ = 288754089984. Its totient is φ = 33061232160.

The previous prime is 121020110021. The next prime is 121020110023. The reversal of 121020110022 is 220011020121.

It is an interprime number because it is at equal distance from previous prime (121020110021) and next prime (121020110023).

It is a super-3 number, since 3×1210201100223 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020110021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2673663 + ... + 2718549.

It is an arithmetic number, because the mean of its divisors is an integer number (4511782656).

Almost surely, 2121020110022 is an apocalyptic number.

121020110022 is an abundant number, since it is smaller than the sum of its proper divisors (167733979962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020110022 is a wasteful number, since it uses less digits than its factorization.

121020110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121020110022 its reverse (220011020121), we get a palindrome (341031130143).

The spelling of 121020110022 in words is "one hundred twenty-one billion, twenty million, one hundred ten thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 2791 5582 8373 16746 19537 39074 44887 58611 64193 89774 117222 128386 134661 192579 269322 314209 385158 449351 628418 898702 942627 1032401 1348053 1885254 2064802 2696106 3097203 6194406 7226807 14453614 21680421 43360842 125279617 250559234 375838851 751677702 876957319 1753914638 2630871957 2881431191 5261743914 5762862382 8644293573 17288587146 20170018337 40340036674 60510055011 121020110022