101121210122020 has 48 divisors (see below), whose sum is σ = 231660254000448. Its totient is φ = 36771229381760.

The previous prime is 101121210121969. The next prime is 101121210122027. The reversal of 101121210122020 is 20221012121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121210121985 and 101121210122003.

It is not an unprimeable number, because it can be changed into a prime (101121210122027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94367082 + ... + 95432638.

It is an arithmetic number, because the mean of its divisors is an integer number (4826255291676).

Almost surely, 2^{101121210122020} is an apocalyptic number.

101121210122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121210122020 is an abundant number, since it is smaller than the sum of its proper divisors (130539043878428).

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

101121210122020 is a wasteful number, since it uses less digits than its factorization.

101121210122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496940 (or 1496938 counting only the distinct ones).

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

Adding to 101121210122020 its reverse (20221012121101), we get a palindrome (121342222243121).

The spelling of 101121210122020 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, twenty".