1020101022 has 48 divisors (see below), whose sum is σ = 2230078032. Its totient is φ = 336994560.

The previous prime is 1020101021. The next prime is 1020101023. The reversal of 1020101022 is 2201010201.

It is an interprime number because it is at equal distance from previous prime (1020101021) and next prime (1020101023).

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 = 1020100995 and 1020101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279528 + ... + 1280324.

It is an arithmetic number, because the mean of its divisors is an integer number (46459959).

Almost surely, 2^1020101022 is an apocalyptic number.

1020101022 is an abundant number, since it is smaller than the sum of its proper divisors (1209977010).

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

1020101022 is a wasteful number, since it uses less digits than its factorization.

1020101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1350 counting only the distinct ones).

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

The square root of 1020101022 is about 31939.0203669430. The cubic root of 1020101022 is about 1006.6559408289.

Adding to 1020101022 its reverse (2201010201), we get a palindrome (3221111223).

The spelling of 1020101022 in words is "one billion, twenty million, one hundred one thousand, twenty-two".