101021011121122 has 4 divisors (see below), whose sum is σ = 151531516681686. Its totient is φ = 50510505560560.

The previous prime is 101021011121119. The next prime is 101021011121131. The reversal of 101021011121122 is 221121110120101.

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., 78042400573921 + 22978610547201 = 8834161^2 + 4793601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101021011121096 and 101021011121105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255252780279 + ... + 25255252780282.

Almost surely, 2^{101021011121122} is an apocalyptic number.

101021011121122 is a deficient number, since it is larger than the sum of its proper divisors (50510505560564).

101021011121122 is an equidigital number, since it uses as much as digits as its factorization.

101021011121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50510505560563.

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

Adding to 101021011121122 its reverse (221121110120101), we get a palindrome (322142121241223).

The spelling of 101021011121122 in words is "one hundred one trillion, twenty-one billion, eleven million, one hundred twenty-one thousand, one hundred twenty-two".