121010022222201 has 96 divisors (see below), whose sum is σ = 209979712800000. Its totient is φ = 67087174758912.

The previous prime is 121010022222191. The next prime is 121010022222211. The reversal of 121010022222201 is 102222220010121.

It is a happy number.

121010022222201 is a `hidden beast` number, since 1 + 210 + 10 + 0 + 2 + 222 + 220 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (121010022222191) and next prime (121010022222211).

It is not a de Polignac number, because 121010022222201 - 2⁷ = 121010022222073 is a prime.

It is a super-4 number, since 4×121010022222201⁴ (a number of 57 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (121010022222211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16719265 + ... + 22837553.

It is an arithmetic number, because the mean of its divisors is an integer number (2187288675000).

Almost surely, 2^{121010022222201} is an apocalyptic number.

It is an amenable number.

121010022222201 is a deficient number, since it is larger than the sum of its proper divisors (88969690577799).

121010022222201 is a wasteful number, since it uses less digits than its factorization.

121010022222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118508 (or 6118491 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121010022222201 its reverse (102222220010121), we get a palindrome (223232242232322).

The spelling of 121010022222201 in words is "one hundred twenty-one trillion, ten billion, twenty-two million, two hundred twenty-two thousand, two hundred one".