1001212221102 has 32 divisors (see below), whose sum is σ = 2131498540800. Its totient is φ = 312619779648.

The previous prime is 1001212221043. The next prime is 1001212221127. The reversal of 1001212221102 is 2011222121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49330098 + ... + 49350389.

It is an arithmetic number, because the mean of its divisors is an integer number (66609329400).

Almost surely, 2^{1001212221102} is an apocalyptic number.

1001212221102 is an abundant number, since it is smaller than the sum of its proper divisors (1130286319698).

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

1001212221102 is a wasteful number, since it uses less digits than its factorization.

1001212221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98680600.

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

Adding to 1001212221102 its reverse (2011222121001), we get a palindrome (3012434342103).

The spelling of 1001212221102 in words is "one trillion, one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".