21110101202 has 16 divisors (see below), whose sum is σ = 33334848000. Its totient is φ = 9998588880.

The previous prime is 21110101153. The next prime is 21110101231. The reversal of 21110101202 is 20210101112.

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, 557327 + ... + 593997.

It is an arithmetic number, because the mean of its divisors is an integer number (2083428000).

Almost surely, 2^21110101202 is an apocalyptic number.

21110101202 is a deficient number, since it is larger than the sum of its proper divisors (12224746798).

21110101202 is a wasteful number, since it uses less digits than its factorization.

21110101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51841.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21110101202 its reverse (20210101112), we get a palindrome (41320202314).

The spelling of 21110101202 in words is "twenty-one billion, one hundred ten million, one hundred one thousand, two hundred two".