101012111021211 has 16 divisors (see below), whose sum is σ = 145044833018400. Its totient is φ = 62160526886400.

The previous prime is 101012111021209. The next prime is 101012111021243. The reversal of 101012111021211 is 112120111210101.

It is not a de Polignac number, because 101012111021211 - 2¹ = 101012111021209 is a prime.

It is a super-2 number, since 2×101012111021211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101012111021291) 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, 12899886 + ... + 19194563.

It is an arithmetic number, because the mean of its divisors is an integer number (9065302063650).

Almost surely, 2^{101012111021211} is an apocalyptic number.

101012111021211 is a deficient number, since it is larger than the sum of its proper divisors (44032721997189).

101012111021211 is a wasteful number, since it uses less digits than its factorization.

101012111021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32175166.

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

Adding to 101012111021211 its reverse (112120111210101), we get a palindrome (213132222231312).

The spelling of 101012111021211 in words is "one hundred one trillion, twelve billion, one hundred eleven million, twenty-one thousand, two hundred eleven".