101002020020022 has 64 divisors (see below), whose sum is σ = 222286715981568. Its totient is φ = 30593249121600.

The previous prime is 101002020020017. The next prime is 101002020020063. The reversal of 101002020020022 is 220020020200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15443733 + ... + 20988399.

It is an arithmetic number, because the mean of its divisors is an integer number (3473229937212).

Almost surely, 2^{101002020020022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101002020020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111143357990784).

101002020020022 is an abundant number, since it is smaller than the sum of its proper divisors (121284695961546).

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

101002020020022 is a wasteful number, since it uses less digits than its factorization.

101002020020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546986 (or 5546964 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 101002020020022 its reverse (220020020200101), we get a palindrome (321022040220123).

The spelling of 101002020020022 in words is "one hundred one trillion, two billion, twenty million, twenty thousand, twenty-two".