101020122 has 40 divisors (see below), whose sum is σ = 258699936. Its totient is φ = 28862568.

The previous prime is 101020111. The next prime is 101020133. The reversal of 101020122 is 221020101.

It is an interprime number because it is at equal distance from previous prime (101020111) and next prime (101020133).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43408 + ... + 45675.

Almost surely, 2^101020122 is an apocalyptic number.

101020122 is an abundant number, since it is smaller than the sum of its proper divisors (157679814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101020122 is an equidigital number, since it uses as much as digits as its factorization.

101020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89104 (or 89095 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101020122 is about 10050.8766781809. The cubic root of 101020122 is about 465.7318755734.

Adding to 101020122 its reverse (221020101), we get a palindrome (322040223).

The spelling of 101020122 in words is "one hundred one million, twenty thousand, one hundred twenty-two".