21011101101202 has 32 divisors (see below), whose sum is σ = 32362359131520. Its totient is φ = 10226776335360.

The previous prime is 21011101101157. The next prime is 21011101101257. The reversal of 21011101101202 is 20210110111012.

It is a happy number.

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, 77195283 + ... + 77466985.

It is an arithmetic number, because the mean of its divisors is an integer number (1011323722860).

Almost surely, 2^{21011101101202} is an apocalyptic number.

21011101101202 is a deficient number, since it is larger than the sum of its proper divisors (11351258030318).

21011101101202 is a wasteful number, since it uses less digits than its factorization.

21011101101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277458.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 21011101101202 its reverse (20210110111012), we get a palindrome (41221211212214).

The spelling of 21011101101202 in words is "twenty-one trillion, eleven billion, one hundred one million, one hundred one thousand, two hundred two".