101121102122020 has 48 divisors (see below), whose sum is σ = 224061809832000. Its totient is φ = 38228555111040.

The previous prime is 101121102121997. The next prime is 101121102122041. The reversal of 101121102122020 is 20221201121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121102121985 and 101121102122003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315882970 + ... + 316202929.

It is an arithmetic number, because the mean of its divisors is an integer number (4667954371500).

Almost surely, 2^{101121102122020} is an apocalyptic number.

101121102122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121102122020 is an abundant number, since it is smaller than the sum of its proper divisors (122940707709980).

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

101121102122020 is a wasteful number, since it uses less digits than its factorization.

101121102122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632086348 (or 632086346 counting only the distinct ones).

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

Adding to 101121102122020 its reverse (20221201121101), we get a palindrome (121342303243121).

The spelling of 101121102122020 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, twenty".