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121401022024223 = 2319154195099669
BaseRepresentation
bin11011100110100111100000…
…110010110000101000011111
3120220211211020221220001002022
4123212213200302300220133
5111403013243114233343
61110110505401050355
734366635332664524
oct3346474062605037
9526754227801068
10121401022024223
1135755980018417
12117483b87869bb
1352980b49b25b6
1421d9bab2bb14b
15e07dbc397568
hex6e69e0cb0a1f

121401022024223 has 16 divisors (see below), whose sum is σ = 127366094131200. Its totient is φ = 115493405116320.

The previous prime is 121401022024193. The next prime is 121401022024253. The reversal of 121401022024223 is 322420220104121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121401022024193) and next prime (121401022024253).

It is a cyclic number.

It is not a de Polignac number, because 121401022024223 - 26 = 121401022024159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121401022024192 and 121401022024201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121401022024253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21255833 + ... + 26355501.

It is an arithmetic number, because the mean of its divisors is an integer number (7960380883200).

Almost surely, 2121401022024223 is an apocalyptic number.

121401022024223 is a deficient number, since it is larger than the sum of its proper divisors (5965072106977).

121401022024223 is a wasteful number, since it uses less digits than its factorization.

121401022024223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105302.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121401022024223 its reverse (322420220104121), we get a palindrome (443821242128344).

The spelling of 121401022024223 in words is "one hundred twenty-one trillion, four hundred one billion, twenty-two million, twenty-four thousand, two hundred twenty-three".

Divisors: 1 23 191 4393 5419 124637 1035029 5099669 23805667 117292387 974036779 22402845917 27635106311 635607445153 5278305305401 121401022024223