122011012222020 has 36 divisors (see below), whose sum is σ = 370100070407340. Its totient is φ = 32536269925824.

The previous prime is 122011012221991. The next prime is 122011012222087. The reversal of 122011012222020 is 20222210110221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15679319122944 + 106331693099076 = 3959712^2 + 10311726^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122011012221984 and 122011012222002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338919478215 + ... + 338919478574.

It is an arithmetic number, because the mean of its divisors is an integer number (10280557511315).

Almost surely, 2^{122011012222020} is an apocalyptic number.

122011012222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011012222020 is an abundant number, since it is smaller than the sum of its proper divisors (248089058185320).

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

122011012222020 is a wasteful number, since it uses less digits than its factorization.

122011012222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677838956804 (or 677838956799 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122011012222020 its reverse (20222210110221), we get a palindrome (142233222332241).

The spelling of 122011012222020 in words is "one hundred twenty-two trillion, eleven billion, twelve million, two hundred twenty-two thousand, twenty".