10212110997 has 16 divisors (see below), whose sum is σ = 14857440768. Its totient is φ = 6187716080.

The previous prime is 10212110977. The next prime is 10212111053. The reversal of 10212110997 is 79901121201.

It is a cyclic number.

It is not a de Polignac number, because 10212110997 - 2¹² = 10212106901 is a prime.

It is a super-2 number, since 2×10212110997² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212110977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117478 + ... + 185000.

It is an arithmetic number, because the mean of its divisors is an integer number (928590048).

Almost surely, 2^10212110997 is an apocalyptic number.

It is an amenable number.

10212110997 is a deficient number, since it is larger than the sum of its proper divisors (4645329771).

10212110997 is a wasteful number, since it uses less digits than its factorization.

10212110997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72120.

The product of its (nonzero) digits is 2268, while the sum is 33.

The spelling of 10212110997 in words is "ten billion, two hundred twelve million, one hundred ten thousand, nine hundred ninety-seven".