211010112112101 has 8 divisors (see below), whose sum is σ = 283976225646624. Its totient is φ = 139358703326160.

The previous prime is 211010112112097. The next prime is 211010112112133. The reversal of 211010112112101 is 101211211010112.

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

It is not a de Polignac number, because 211010112112101 - 2² = 211010112112097 is a prime.

It is a super-2 number, since 2×211010112112101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010112112301) 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, 328676186770 + ... + 328676187411.

It is an arithmetic number, because the mean of its divisors is an integer number (35497028205828).

Almost surely, 2^{211010112112101} is an apocalyptic number.

It is an amenable number.

211010112112101 is a deficient number, since it is larger than the sum of its proper divisors (72966113534523).

211010112112101 is a wasteful number, since it uses less digits than its factorization.

211010112112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657352374291.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211010112112101 its reverse (101211211010112), we get a palindrome (312221323122213).

The spelling of 211010112112101 in words is "two hundred eleven trillion, ten billion, one hundred twelve million, one hundred twelve thousand, one hundred one".