10210211221220 has 96 divisors (see below), whose sum is σ = 22348445343840. Its totient is φ = 3915874160640.

The previous prime is 10210211221213. The next prime is 10210211221247. The reversal of 10210211221220 is 2212211201201.

It can be written as a sum of positive squares in 16 ways, for example, as 415952763136 + 9794258458084 = 644944^2 + 3129578^2 .

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, 7829150 + ... + 9039690.

It is an arithmetic number, because the mean of its divisors is an integer number (232796305665).

Almost surely, 2^{10210211221220} is an apocalyptic number.

10210211221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210211221220 is an abundant number, since it is smaller than the sum of its proper divisors (12138234122620).

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

10210211221220 is a wasteful number, since it uses less digits than its factorization.

10210211221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210785 (or 1210783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10210211221220 its reverse (2212211201201), we get a palindrome (12422422422421).

The spelling of 10210211221220 in words is "ten trillion, two hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred twenty".