102120122121122 has 128 divisors (see below), whose sum is σ = 190741315829760. Its totient is φ = 40042857254400.

The previous prime is 102120122121107. The next prime is 102120122121137. The reversal of 102120122121122 is 221121221021201.

It is an interprime number because it is at equal distance from previous prime (102120122121107) and next prime (102120122121137).

It is a junction number, because it is equal to n+sod(n) for n = 102120122121094 and 102120122121103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 476308247 + ... + 476522597.

It is an arithmetic number, because the mean of its divisors is an integer number (1490166529920).

Almost surely, 2^{102120122121122} is an apocalyptic number.

102120122121122 is a deficient number, since it is larger than the sum of its proper divisors (88621193708638).

102120122121122 is a wasteful number, since it uses less digits than its factorization.

102120122121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214888.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102120122121122 its reverse (221121221021201), we get a palindrome (323241343142323).

The spelling of 102120122121122 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".