10020221111210 has 16 divisors (see below), whose sum is σ = 18036456388776. Its totient is φ = 4008075469248.

The previous prime is 10020221111209. The next prime is 10020221111249. The reversal of 10020221111210 is 1211112202001.

It can be written as a sum of positive squares in 4 ways, for example, as 8159209483489 + 1861011627721 = 2856433^2 + 1364189^2 .

It is a super-2 number, since 2×10020221111210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008544 + ... + 4906596.

Almost surely, 2^{10020221111210} is an apocalyptic number.

10020221111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020221111210 is a deficient number, since it is larger than the sum of its proper divisors (8016235277566).

10020221111210 is a wasteful number, since it uses less digits than its factorization.

10020221111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243817.

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

Adding to 10020221111210 its reverse (1211112202001), we get a palindrome (11231333313211).

The spelling of 10020221111210 in words is "ten trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, two hundred ten".