101210112011 has 4 divisors (see below), whose sum is σ = 101630071224. Its totient is φ = 100790152800.

The previous prime is 101210111957. The next prime is 101210112023. The reversal of 101210112011 is 110211012101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110211012101 = 2467 ⋅44674103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210112011 is a prime.

It is a super-3 number, since 3×101210112011³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210111983 and 101210112001.

It is not an unprimeable number, because it can be changed into a prime (101210112071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209979245 + ... + 209979726.

It is an arithmetic number, because the mean of its divisors is an integer number (25407517806).

Almost surely, 2^101210112011 is an apocalyptic number.

101210112011 is a deficient number, since it is larger than the sum of its proper divisors (419959213).

101210112011 is an equidigital number, since it uses as much as digits as its factorization.

101210112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419959212.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101210112011 its reverse (110211012101), we get a palindrome (211421124112).

The spelling of 101210112011 in words is "one hundred one billion, two hundred ten million, one hundred twelve thousand, eleven".