21112020332097 has 8 divisors (see below), whose sum is σ = 28150581394656. Its totient is φ = 14074069745472.

The previous prime is 21112020332057. The next prime is 21112020332101. The reversal of 21112020332097 is 79023302021112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21112020332097 - 2²³ = 21112011943489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21112020332057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152538283 + ... + 152676624.

It is an arithmetic number, because the mean of its divisors is an integer number (3518822674332).

Almost surely, 2^{21112020332097} is an apocalyptic number.

It is an amenable number.

21112020332097 is a deficient number, since it is larger than the sum of its proper divisors (7038561062559).

21112020332097 is a wasteful number, since it uses less digits than its factorization.

21112020332097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305237967.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 21112020332097 in words is "twenty-one trillion, one hundred twelve billion, twenty million, three hundred thirty-two thousand, ninety-seven".