1022121102121 has 48 divisors (see below), whose sum is σ = 1276797738240. Its totient is φ = 812902970880.

The previous prime is 1022121102103. The next prime is 1022121102193. The reversal of 1022121102121 is 1212011212201.

It is not a de Polignac number, because 1022121102121 - 2³¹ = 1019973618473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022121102095 and 1022121102104.

It is not an unprimeable number, because it can be changed into a prime (1022121102421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44934811 + ... + 44957551.

It is an arithmetic number, because the mean of its divisors is an integer number (26599952880).

Almost surely, 2^{1022121102121} is an apocalyptic number.

It is an amenable number.

1022121102121 is a deficient number, since it is larger than the sum of its proper divisors (254676636119).

1022121102121 is a wasteful number, since it uses less digits than its factorization.

1022121102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23534 (or 23527 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022121102121 its reverse (1212011212201), we get a palindrome (2234132314322).

The spelling of 1022121102121 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-one".