121102022111121 has 24 divisors (see below), whose sum is σ = 175302325545984. Its totient is φ = 80560602332640.

The previous prime is 121102022111111. The next prime is 121102022111131. The reversal of 121102022111121 is 121111220201121.

It is a happy number.

121102022111121 is a `hidden beast` number, since 121 + 10 + 202 + 211 + 1 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (121102022111111) and next prime (121102022111131).

It is not a de Polignac number, because 121102022111121 - 2¹¹ = 121102022109073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102022111094 and 121102022111103.

It is not an unprimeable number, because it can be changed into a prime (121102022111111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350109360 + ... + 350455086.

It is an arithmetic number, because the mean of its divisors is an integer number (7304263564416).

Almost surely, 2^{121102022111121} is an apocalyptic number.

It is an amenable number.

121102022111121 is a deficient number, since it is larger than the sum of its proper divisors (54200303434863).

121102022111121 is a wasteful number, since it uses less digits than its factorization.

121102022111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429541 (or 429538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121102022111121 its reverse (121111220201121), we get a palindrome (242213242312242).

The spelling of 121102022111121 in words is "one hundred twenty-one trillion, one hundred two billion, twenty-two million, one hundred eleven thousand, one hundred twenty-one".