21000101212202 has 32 divisors (see below), whose sum is σ = 38118198924288. Its totient is φ = 8470547248896.

The previous prime is 21000101212177. The next prime is 21000101212229. The reversal of 21000101212202 is 20221210100012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28338668 + ... + 29070264.

It is an arithmetic number, because the mean of its divisors is an integer number (1191193716384).

Almost surely, 2^{21000101212202} is an apocalyptic number.

21000101212202 is a deficient number, since it is larger than the sum of its proper divisors (17118097712086).

21000101212202 is a wasteful number, since it uses less digits than its factorization.

21000101212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852230.

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

Adding to 21000101212202 its reverse (20221210100012), we get a palindrome (41221311312214).

The spelling of 21000101212202 in words is "twenty-one trillion, one hundred one million, two hundred twelve thousand, two hundred two".