21112652106976 has 12 divisors (see below), whose sum is σ = 41565533835672. Its totient is φ = 10556326053472.

The previous prime is 21112652106911. The next prime is 21112652106977. The reversal of 21112652106976 is 67960125621112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112652106977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329885189140 + ... + 329885189203.

It is an arithmetic number, because the mean of its divisors is an integer number (3463794486306).

Almost surely, 2^{21112652106976} is an apocalyptic number.

It is an amenable number.

21112652106976 is a deficient number, since it is larger than the sum of its proper divisors (20452881728696).

21112652106976 is an equidigital number, since it uses as much as digits as its factorization.

21112652106976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659770378353 (or 659770378345 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 21112652106976 in words is "twenty-one trillion, one hundred twelve billion, six hundred fifty-two million, one hundred six thousand, nine hundred seventy-six".