21011522314 has 32 divisors (see below), whose sum is σ = 32775684480. Its totient is φ = 10094380800.

The previous prime is 21011522303. The next prime is 21011522377. The reversal of 21011522314 is 41322511012.

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, 9366477 + ... + 9368719.

It is an arithmetic number, because the mean of its divisors is an integer number (1024240140).

Almost surely, 2^21011522314 is an apocalyptic number.

21011522314 is a deficient number, since it is larger than the sum of its proper divisors (11764162166).

21011522314 is a wasteful number, since it uses less digits than its factorization.

21011522314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 21011522314 in words is "twenty-one billion, eleven million, five hundred twenty-two thousand, three hundred fourteen".