101012020220111 has 32 divisors (see below), whose sum is σ = 135629064915456. Its totient is φ = 72653569488000.

The previous prime is 101012020220081. The next prime is 101012020220143. The reversal of 101012020220111 is 111022020210101.

It is a cyclic number.

It is not a de Polignac number, because 101012020220111 - 2¹⁸ = 101012019957967 is a prime.

It is a super-2 number, since 2×101012020220111² (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 (101012020220161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28539416 + ... + 31882946.

It is an arithmetic number, because the mean of its divisors is an integer number (4238408278608).

Almost surely, 2^{101012020220111} is an apocalyptic number.

101012020220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101012020220111 is a deficient number, since it is larger than the sum of its proper divisors (34617044695345).

101012020220111 is a wasteful number, since it uses less digits than its factorization.

101012020220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373743.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101012020220111 its reverse (111022020210101), we get a palindrome (212034040430212).

The spelling of 101012020220111 in words is "one hundred one trillion, twelve billion, twenty million, two hundred twenty thousand, one hundred eleven".