1022111221010 has 64 divisors (see below), whose sum is σ = 2072089202688. Its totient is φ = 359636760000.

The previous prime is 1022111220989. The next prime is 1022111221049. The reversal of 1022111221010 is 101221112201.

It is a super-2 number, since 2×1022111221010² (a number of 25 digits) contains 22 as substring.

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, 30983825 + ... + 31016795.

It is an arithmetic number, because the mean of its divisors is an integer number (32376393792).

Almost surely, 2^{1022111221010} is an apocalyptic number.

1022111221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022111221010 is an abundant number, since it is smaller than the sum of its proper divisors (1049977981678).

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

1022111221010 is a wasteful number, since it uses less digits than its factorization.

1022111221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42111.

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

Adding to 1022111221010 its reverse (101221112201), we get a palindrome (1123332333211).

It can be divided in two parts, 102 and 2111221010, that added together give a palindrome (2111221112).

The spelling of 1022111221010 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, ten".