10221111010220 has 36 divisors (see below), whose sum is σ = 23593027320912. Its totient is φ = 3716767639200.

The previous prime is 10221111010207. The next prime is 10221111010247. The reversal of 10221111010220 is 2201011112201.

10221111010220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10221111010220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221111010195 and 10221111010204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2111797376 + ... + 2111802215.

Almost surely, 2^{10221111010220} is an apocalyptic number.

10221111010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221111010220 is an abundant number, since it is smaller than the sum of its proper divisors (13371916310692).

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

10221111010220 is a wasteful number, since it uses less digits than its factorization.

10221111010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223599622 (or 4223599609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221111010220 its reverse (2201011112201), we get a palindrome (12422122122421).

The spelling of 10221111010220 in words is "ten trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, two hundred twenty".