122101211211020 has 48 divisors (see below), whose sum is σ = 262683372059136. Its totient is φ = 47646193920000.

The previous prime is 122101211211013. The next prime is 122101211211071. The reversal of 122101211211020 is 20112112101221.

It is a super-2 number, since 2×122101211211020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122101211211020.

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, 8020565 + ... + 17565075.

It is an arithmetic number, because the mean of its divisors is an integer number (5472570251232).

Almost surely, 2^{122101211211020} is an apocalyptic number.

122101211211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101211211020 is an abundant number, since it is smaller than the sum of its proper divisors (140582160848116).

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

122101211211020 is a wasteful number, since it uses less digits than its factorization.

122101211211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560162 (or 9560160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122101211211020 its reverse (20112112101221), we get a palindrome (142213323312241).

The spelling of 122101211211020 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred eleven million, two hundred eleven thousand, twenty".