202201222211100 has 432 divisors, whose sum is σ = 743415517528320. Its totient is φ = 45003923481600.

The previous prime is 202201222211099. The next prime is 202201222211201. The reversal of 202201222211100 is 1112222102202.

It is a happy number.

202201222211100 is a `hidden beast` number, since 2 + 0 + 220 + 1 + 222 + 211 + 10 + 0 = 666.

202201222211100 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 134342511 + ... + 135839289.

Almost surely, 2^{202201222211100} is an apocalyptic number.

202201222211100 is a gapful number since it is divisible by the number (20) 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 202201222211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371707758764160).

202201222211100 is an abundant number, since it is smaller than the sum of its proper divisors (541214295317220).

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

202201222211100 is a wasteful number, since it uses less digits than its factorization.

202201222211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497370 (or 1497360 counting only the distinct ones).

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

Adding to 202201222211100 its reverse (1112222102202), we get a palindrome (203313444313302).

The spelling of 202201222211100 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred".