122101211102020 has 24 divisors (see below), whose sum is σ = 259501851068544. Its totient is φ = 48252044868576.

The previous prime is 122101211101981. The next prime is 122101211102021. The reversal of 122101211102020 is 20201112101221.

It is a junction number, because it is equal to n+sod(n) for n = 122101211101985 and 122101211102003.

It is not an unprimeable number, because it can be changed into a prime (122101211102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36777471564 + ... + 36777474883.

It is an arithmetic number, because the mean of its divisors is an integer number (10812577127856).

Almost surely, 2^{122101211102020} is an apocalyptic number.

122101211102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101211102020 is an abundant number, since it is smaller than the sum of its proper divisors (137400639966524).

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

122101211102020 is a wasteful number, since it uses less digits than its factorization.

122101211102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73554946539 (or 73554946537 counting only the distinct ones).

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

Adding to 122101211102020 its reverse (20201112101221), we get a palindrome (142302323203241).

The spelling of 122101211102020 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred eleven million, one hundred two thousand, twenty".