222000210002100 has 72 divisors (see below), whose sum is σ = 645581118476448. Its totient is φ = 58899548086400.

The previous prime is 222000210002099. The next prime is 222000210002117. The reversal of 222000210002100 is 1200012000222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1878115266 + ... + 1878233465.

It is an arithmetic number, because the mean of its divisors is an integer number (8966404423284).

Almost surely, 2^{222000210002100} is an apocalyptic number.

222000210002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000210002100 is an abundant number, since it is smaller than the sum of its proper divisors (423580908474348).

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

222000210002100 is a wasteful number, since it uses less digits than its factorization.

222000210002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756348945 (or 3756348938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222000210002100 its reverse (1200012000222), we get a palindrome (223200222002322).

The spelling of 222000210002100 in words is "two hundred twenty-two trillion, two hundred ten million, two thousand, one hundred".