101011222221100 has 72 divisors (see below), whose sum is σ = 233015361843600. Its totient is φ = 37898947296000.

The previous prime is 101011222221083. The next prime is 101011222221113. The reversal of 101011222221100 is 1122222110101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262995235 + ... + 263379034.

It is an arithmetic number, because the mean of its divisors is an integer number (3236324470050).

Almost surely, 2^{101011222221100} is an apocalyptic number.

101011222221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011222221100 is an abundant number, since it is smaller than the sum of its proper divisors (132004139622500).

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

101011222221100 is a wasteful number, since it uses less digits than its factorization.

101011222221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374403 (or 526374396 counting only the distinct ones).

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

Adding to 101011222221100 its reverse (1122222110101), we get a palindrome (102133444331201).

The spelling of 101011222221100 in words is "one hundred one trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred".