102210111212020 has 144 divisors (see below), whose sum is σ = 264392711053632. Its totient is φ = 32979506918400.

The previous prime is 102210111211997. The next prime is 102210111212081. The reversal of 102210111212020 is 20212111012201.

It is a super-3 number, since 3×102210111212020³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210111211985 and 102210111212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218795695 + ... + 219262345.

It is an arithmetic number, because the mean of its divisors is an integer number (1836060493428).

Almost surely, 2^{102210111212020} is an apocalyptic number.

102210111212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102210111212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132196355526816).

102210111212020 is an abundant number, since it is smaller than the sum of its proper divisors (162182599841612).

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

102210111212020 is a wasteful number, since it uses less digits than its factorization.

102210111212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479838 (or 479829 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102210111212020 its reverse (20212111012201), we get a palindrome (122422222224221).

The spelling of 102210111212020 in words is "one hundred two trillion, two hundred ten billion, one hundred eleven million, two hundred twelve thousand, twenty".