121011002022200 has 192 divisors, whose sum is σ = 305418489153120. Its totient is φ = 44409231360000.

The previous prime is 121011002022199. The next prime is 121011002022301. The reversal of 121011002022200 is 2220200110121.

It is a super-2 number, since 2×121011002022200² (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 47 ways as a sum of consecutive naturals, for example, 168734375 + ... + 169450025.

Almost surely, 2^{121011002022200} is an apocalyptic number.

121011002022200 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 121011002022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152709244576560).

121011002022200 is an abundant number, since it is smaller than the sum of its proper divisors (184407487130920).

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

121011002022200 is a wasteful number, since it uses less digits than its factorization.

121011002022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716938 (or 716929 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121011002022200 its reverse (2220200110121), we get a palindrome (123231202132321).

The spelling of 121011002022200 in words is "one hundred twenty-one trillion, eleven billion, two million, twenty-two thousand, two hundred".