1022211221010 has 96 divisors (see below), whose sum is σ = 2907693225792. Its totient is φ = 229239803520.

The previous prime is 1022211220999. The next prime is 1022211221023. The reversal of 1022211221010 is 101221122201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6482296 + ... + 6638115.

It is an arithmetic number, because the mean of its divisors is an integer number (30288471102).

Almost surely, 2^{1022211221010} is an apocalyptic number.

1022211221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022211221010 is an abundant number, since it is smaller than the sum of its proper divisors (1885482004782).

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

1022211221010 is a wasteful number, since it uses less digits than its factorization.

1022211221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120488 (or 13120481 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022211221010 its reverse (101221122201), we get a palindrome (1123432343211).

It can be divided in two parts, 102221 and 1221010, that added together give a palindrome (1323231).

The spelling of 1022211221010 in words is "one trillion, twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, ten".