102211123020 has 96 divisors (see below), whose sum is σ = 294867276480. Its totient is φ = 26437693440.

The previous prime is 102211123013. The next prime is 102211123039. The reversal of 102211123020 is 20321112201.

It is a super-2 number, since 2×102211123020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305496 + ... + 545664.

It is an arithmetic number, because the mean of its divisors is an integer number (3071534130).

Almost surely, 2^102211123020 is an apocalyptic number.

102211123020 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 102211123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147433638240).

102211123020 is an abundant number, since it is smaller than the sum of its proper divisors (192656153460).

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

102211123020 is a wasteful number, since it uses less digits than its factorization.

102211123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240395 (or 240393 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102211123020 its reverse (20321112201), we get a palindrome (122532235221).

The spelling of 102211123020 in words is "one hundred two billion, two hundred eleven million, one hundred twenty-three thousand, twenty".