101012010021011 has 4 divisors (see below), whose sum is σ = 101570087424624. Its totient is φ = 100453932617400.

The previous prime is 101012010021001. The next prime is 101012010021073. The reversal of 101012010021011 is 110120010210101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101012010021011 - 2⁴² = 96613963509907 is a prime.

It is a super-2 number, since 2×101012010021011² (a number of 29 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 = 101012010020983 and 101012010021001.

It is not an unprimeable number, because it can be changed into a prime (101012010021001) 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, 279038701535 + ... + 279038701896.

It is an arithmetic number, because the mean of its divisors is an integer number (25392521856156).

Almost surely, 2^{101012010021011} is an apocalyptic number.

101012010021011 is a deficient number, since it is larger than the sum of its proper divisors (558077403613).

101012010021011 is an equidigital number, since it uses as much as digits as its factorization.

101012010021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558077403612.

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

Adding to 101012010021011 its reverse (110120010210101), we get a palindrome (211132020231112).

The spelling of 101012010021011 in words is "one hundred one trillion, twelve billion, ten million, twenty-one thousand, eleven".