122201002101100 has 144 divisors (see below), whose sum is σ = 292168503019008. Its totient is φ = 44081912136960.

The previous prime is 122201002100951. The next prime is 122201002101133. The reversal of 122201002101100 is 1101200102221.

It is a super-2 number, since 2×122201002101100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32623087 + ... + 36175513.

It is an arithmetic number, because the mean of its divisors is an integer number (2028947937632).

Almost surely, 2^{122201002101100} is an apocalyptic number.

122201002101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122201002101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146084251509504).

122201002101100 is an abundant number, since it is smaller than the sum of its proper divisors (169967500917908).

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

122201002101100 is a wasteful number, since it uses less digits than its factorization.

122201002101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553064 (or 3553057 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122201002101100 its reverse (1101200102221), we get a palindrome (123302202203321).

The spelling of 122201002101100 in words is "one hundred twenty-two trillion, two hundred one billion, two million, one hundred one thousand, one hundred".