102022111221212 has 96 divisors (see below), whose sum is σ = 221568687083520. Its totient is φ = 40025623484160.

The previous prime is 102022111221193. The next prime is 102022111221221. The reversal of 102022111221212 is 212122111220201.

102022111221212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102022111221212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24252614 + ... + 28146642.

It is an arithmetic number, because the mean of its divisors is an integer number (2308007157120).

Almost surely, 2^{102022111221212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102022111221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110784343541760).

102022111221212 is an abundant number, since it is smaller than the sum of its proper divisors (119546575862308).

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

102022111221212 is a wasteful number, since it uses less digits than its factorization.

102022111221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894651 (or 3894649 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102022111221212 its reverse (212122111220201), we get a palindrome (314144222441413).

The spelling of 102022111221212 in words is "one hundred two trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twelve".