1022020101102 has 512 divisors, whose sum is σ = 2865398022144. Its totient is φ = 234554112000.

The previous prime is 1022020101031. The next prime is 1022020101119. The reversal of 1022020101102 is 2011010202201.

It is a super-2 number, since 2×1022020101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2668459603 + ... + 2668459985.

It is an arithmetic number, because the mean of its divisors is an integer number (5596480512).

Almost surely, 2^{1022020101102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022020101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432699011072).

1022020101102 is an abundant number, since it is smaller than the sum of its proper divisors (1843377921042).

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

1022020101102 is a wasteful number, since it uses less digits than its factorization.

1022020101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

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

Adding to 1022020101102 its reverse (2011010202201), we get a palindrome (3033030303303).

The spelling of 1022020101102 in words is "one trillion, twenty-two billion, twenty million, one hundred one thousand, one hundred two".