102222101020 has 48 divisors (see below), whose sum is σ = 243346551840. Its totient is φ = 35757040896.

The previous prime is 102222100973. The next prime is 102222101027. The reversal of 102222101020 is 20101222201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10341427 + ... + 10351306.

It is an arithmetic number, because the mean of its divisors is an integer number (5069719830).

Almost surely, 2^102222101020 is an apocalyptic number.

102222101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222101020 is an abundant number, since it is smaller than the sum of its proper divisors (141124450820).

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

102222101020 is a wasteful number, since it uses less digits than its factorization.

102222101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20692774 (or 20692772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102222101020 its reverse (20101222201), we get a palindrome (122323323221).

The spelling of 102222101020 in words is "one hundred two billion, two hundred twenty-two million, one hundred one thousand, twenty".