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121012202220113 = 611322691872411
BaseRepresentation
bin11011100000111101011001…
…010100111010101001010001
3120212110122122102211110121202
4123200331121110322221101
5111330130442232020423
61105212123243200545
734326562116122021
oct3340753124725121
9525418572743552
10121012202220113
1135615a9440a736
12116a4b85816155
13526a52b7109a9
1421c5043cd3a81
15decc12284728
hex6e0f5953aa51

121012202220113 has 8 divisors (see below), whose sum is σ = 121037470757856. Its totient is φ = 120986935484800.

The previous prime is 121012202220071. The next prime is 121012202220149. The reversal of 121012202220113 is 311022202210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121012202220113 - 222 = 121012198025809 is a prime.

It is a super-2 number, since 2×1210122022201132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121012202220163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138273878 + ... + 139146288.

It is an arithmetic number, because the mean of its divisors is an integer number (15129683844732).

Almost surely, 2121012202220113 is an apocalyptic number.

It is an amenable number.

121012202220113 is a deficient number, since it is larger than the sum of its proper divisors (25268537743).

121012202220113 is an equidigital number, since it uses as much as digits as its factorization.

121012202220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901215.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121012202220113 its reverse (311022202210121), we get a palindrome (432034404430234).

The spelling of 121012202220113 in words is "one hundred twenty-one trillion, twelve billion, two hundred two million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 6113 22691 872411 138710083 5333048443 19795878001 121012202220113