122021000201100 has 1728 divisors, whose sum is σ = 502337975311872. Its totient is φ = 22459078656000.

The previous prime is 122021000201059. The next prime is 122021000201123. The reversal of 122021000201100 is 1102000120221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 5677761355 + ... + 5677782845.

It is an arithmetic number, because the mean of its divisors is an integer number (290704846824).

Almost surely, 2^{122021000201100} is an apocalyptic number.

122021000201100 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 122021000201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251168987655936).

122021000201100 is an abundant number, since it is smaller than the sum of its proper divisors (380316975110772).

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

122021000201100 is a wasteful number, since it uses less digits than its factorization.

122021000201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21656 (or 21642 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122021000201100 its reverse (1102000120221), we get a palindrome (123123000321321).

The spelling of 122021000201100 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred one thousand, one hundred".