10021023122220 has 144 divisors (see below), whose sum is σ = 33560000877312. Its totient is φ = 2400069755520.

The previous prime is 10021023122167. The next prime is 10021023122261. The reversal of 10021023122220 is 2222132012001.

10021023122220 is a `hidden beast` number, since 1 + 0 + 0 + 210 + 231 + 2 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10021023122193 and 10021023122202.

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, 30324352 + ... + 30653031.

It is an arithmetic number, because the mean of its divisors is an integer number (233055561648).

Almost surely, 2^{10021023122220} is an apocalyptic number.

10021023122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021023122220 is an abundant number, since it is smaller than the sum of its proper divisors (23538977755092).

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

10021023122220 is a wasteful number, since it uses less digits than its factorization.

10021023122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60977492 (or 60977487 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10021023122220 its reverse (2222132012001), we get a palindrome (12243155134221).

The spelling of 10021023122220 in words is "ten trillion, twenty-one billion, twenty-three million, one hundred twenty-two thousand, two hundred twenty".