122111211212020 has 24 divisors (see below), whose sum is σ = 264705593338368. Its totient is φ = 47268855952800.

The previous prime is 122111211211949. The next prime is 122111211212033. The reversal of 122111211212020 is 20212112111221.

It is a happy number.

It is a super-2 number, since 2×122111211212020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98476782616 + ... + 98476783855.

It is an arithmetic number, because the mean of its divisors is an integer number (11029399722432).

Almost surely, 2^{122111211212020} is an apocalyptic number.

122111211212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111211212020 is an abundant number, since it is smaller than the sum of its proper divisors (142594382126348).

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

122111211212020 is a wasteful number, since it uses less digits than its factorization.

122111211212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196953566511 (or 196953566509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122111211212020 its reverse (20212112111221), we get a palindrome (142323323323241).

The spelling of 122111211212020 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred eleven million, two hundred twelve thousand, twenty".