101012022 has 20 divisors (see below), whose sum is σ = 226342116. Its totient is φ = 33670620.

The previous prime is 101011991. The next prime is 101012029. The reversal of 101012022 is 220210101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101011995 and 101012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 311604 + ... + 311927.

Almost surely, 2^101012022 is an apocalyptic number.

101012022 is an abundant number, since it is smaller than the sum of its proper divisors (125330094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012022 is an equidigital number, since it uses as much as digits as its factorization.

101012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623545 (or 623536 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101012022 is about 10050.4737201786. The cubic root of 101012022 is about 465.7194274626.

Adding to 101012022 its reverse (220210101), we get a palindrome (321222123).

The spelling of 101012022 in words is "one hundred one million, twelve thousand, twenty-two".