21211010010202 has 16 divisors (see below), whose sum is σ = 32496754651200. Its totient is φ = 10380907716480.

The previous prime is 21211010010193. The next prime is 21211010010241. The reversal of 21211010010202 is 20201001011212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537294327 + ... + 537333802.

It is an arithmetic number, because the mean of its divisors is an integer number (2031047165700).

Almost surely, 2^{21211010010202} is an apocalyptic number.

21211010010202 is a deficient number, since it is larger than the sum of its proper divisors (11285744640998).

21211010010202 is a wasteful number, since it uses less digits than its factorization.

21211010010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074628341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21211010010202 its reverse (20201001011212), we get a palindrome (41412011021414).

The spelling of 21211010010202 in words is "twenty-one trillion, two hundred eleven billion, ten million, ten thousand, two hundred two".