1020220102101 has 64 divisors (see below), whose sum is σ = 1467951464448. Its totient is φ = 629261664768.

The previous prime is 1020220102061. The next prime is 1020220102103. The reversal of 1020220102101 is 1012010220201.

It is not a de Polignac number, because 1020220102101 - 2⁶ = 1020220102037 is a prime.

It is a super-2 number, since 2×1020220102101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220102103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25496356 + ... + 25536338.

It is an arithmetic number, because the mean of its divisors is an integer number (22936741632).

Almost surely, 2^{1020220102101} is an apocalyptic number.

It is an amenable number.

1020220102101 is a deficient number, since it is larger than the sum of its proper divisors (447731362347).

1020220102101 is a wasteful number, since it uses less digits than its factorization.

1020220102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40210.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020220102101 its reverse (1012010220201), we get a palindrome (2032230322302).

The spelling of 1020220102101 in words is "one trillion, twenty billion, two hundred twenty million, one hundred two thousand, one hundred one".