1022102110121 has 8 divisors (see below), whose sum is σ = 1066704067080. Its totient is φ = 978123956992.

The previous prime is 1022102110103. The next prime is 1022102110151. The reversal of 1022102110121 is 1210112012201.

It can be written as a sum of positive squares in 4 ways, for example, as 20829705625 + 1001272404496 = 144325^2 + 1000636^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022102110121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022102110096 and 1022102110105.

It is not an unprimeable number, because it can be changed into a prime (1022102110151) 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, 155947610 + ... + 155954163.

It is an arithmetic number, because the mean of its divisors is an integer number (133338008385).

Almost surely, 2^{1022102110121} is an apocalyptic number.

It is an amenable number.

1022102110121 is a deficient number, since it is larger than the sum of its proper divisors (44601956959).

1022102110121 is a wasteful number, since it uses less digits than its factorization.

1022102110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311901915.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022102110121 its reverse (1210112012201), we get a palindrome (2232214122322).

The spelling of 1022102110121 in words is "one trillion, twenty-two billion, one hundred two million, one hundred ten thousand, one hundred twenty-one".