10202121101122 has 4 divisors (see below), whose sum is σ = 15303181651686. Its totient is φ = 5101060550560.

The previous prime is 10202121101089. The next prime is 10202121101143. The reversal of 10202121101122 is 22110112120201.

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., 7745751368161 + 2456369732961 = 2783119^2 + 1567281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10202121101096 and 10202121101105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550530275279 + ... + 2550530275282.

Almost surely, 2^{10202121101122} is an apocalyptic number.

10202121101122 is a deficient number, since it is larger than the sum of its proper divisors (5101060550564).

10202121101122 is an equidigital number, since it uses as much as digits as its factorization.

10202121101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101060550563.

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

Adding to 10202121101122 its reverse (22110112120201), we get a palindrome (32312233221323).

The spelling of 10202121101122 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".