1012221112210 has 128 divisors (see below), whose sum is σ = 2350033233408. Its totient is φ = 304753920000.

The previous prime is 1012221112153. The next prime is 1012221112211. The reversal of 1012221112210 is 122111222101.

It is a super-2 number, since 2×1012221112210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012221112211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3029844 + ... + 3347296.

It is an arithmetic number, because the mean of its divisors is an integer number (18359634636).

Almost surely, 2^{1012221112210} is an apocalyptic number.

1012221112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012221112210 is an abundant number, since it is smaller than the sum of its proper divisors (1337812121198).

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

1012221112210 is a wasteful number, since it uses less digits than its factorization.

1012221112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317620.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012221112210 its reverse (122111222101), we get a palindrome (1134332334311).

The spelling of 1012221112210 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred twelve thousand, two hundred ten".