102203100020122 has 4 divisors (see below), whose sum is σ = 153304650030186. Its totient is φ = 51101550010060.

The previous prime is 102203100020111. The next prime is 102203100020137. The reversal of 102203100020122 is 221020001302201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67143094539921 + 35060005480201 = 8194089^2 + 5921149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102203100020096 and 102203100020105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550775005029 + ... + 25550775005032.

Almost surely, 2^{102203100020122} is an apocalyptic number.

102203100020122 is a deficient number, since it is larger than the sum of its proper divisors (51101550010064).

102203100020122 is an equidigital number, since it uses as much as digits as its factorization.

102203100020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51101550010063.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102203100020122 its reverse (221020001302201), we get a palindrome (323223101322323).

The spelling of 102203100020122 in words is "one hundred two trillion, two hundred three billion, one hundred million, twenty thousand, one hundred twenty-two".