101021022 has 24 divisors (see below), whose sum is σ = 220279176. Its totient is φ = 33458256.

The previous prime is 101021003. The next prime is 101021027. The reversal of 101021022 is 220120101.

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 = 101020995 and 101021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15048 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (9178299).

Almost surely, 2^101021022 is an apocalyptic number.

101021022 is an abundant number, since it is smaller than the sum of its proper divisors (119258154).

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

101021022 is a wasteful number, since it uses less digits than its factorization.

101021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35912 (or 35909 counting only the distinct ones).

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

The square root of 101021022 is about 10050.9214502950. The cubic root of 101021022 is about 465.7332586558.

Adding to 101021022 its reverse (220120101), we get a palindrome (321141123).

The spelling of 101021022 in words is "one hundred one million, twenty-one thousand, twenty-two".