101010212111 has 8 divisors (see below), whose sum is σ = 106954971264. Its totient is φ = 95065784320.

The previous prime is 101010212101. The next prime is 101010212117. The reversal of 101010212111 is 111212010101.

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

It is a de Polignac number, because none of the positive numbers 2^k-101010212111 is a prime.

It is a super-2 number, since 2×101010212111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010212092 and 101010212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010212117) 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, 836111 + ... + 949263.

It is an arithmetic number, because the mean of its divisors is an integer number (13369371408).

Almost surely, 2^101010212111 is an apocalyptic number.

101010212111 is a deficient number, since it is larger than the sum of its proper divisors (5944759153).

101010212111 is a wasteful number, since it uses less digits than its factorization.

101010212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165681.

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

Adding to 101010212111 its reverse (111212010101), we get a palindrome (212222222212).

The spelling of 101010212111 in words is "one hundred one billion, ten million, two hundred twelve thousand, one hundred eleven".