21970113214 has 16 divisors (see below), whose sum is σ = 38373676128. Its totient is φ = 9238106592.

The previous prime is 21970113181. The next prime is 21970113223. The reversal of 21970113214 is 41231107912.

It is a happy number.

It is a congruent number.

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, 14803917 + ... + 14805400.

It is an arithmetic number, because the mean of its divisors is an integer number (2398354758).

Almost surely, 2^21970113214 is an apocalyptic number.

21970113214 is a deficient number, since it is larger than the sum of its proper divisors (16403562914).

21970113214 is a wasteful number, since it uses less digits than its factorization.

21970113214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29609379.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 21970113214 in words is "twenty-one billion, nine hundred seventy million, one hundred thirteen thousand, two hundred fourteen".