221012101101022 has 192 divisors, whose sum is σ = 449478048983040. Its totient is φ = 80416241337600.

The previous prime is 221012101101019. The next prime is 221012101101079. The reversal of 221012101101022 is 220101101210122.

It is a junction number, because it is equal to n+sod(n) for n = 221012101100987 and 221012101101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1925588028 + ... + 1925702800.

It is an arithmetic number, because the mean of its divisors is an integer number (2341031505120).

Almost surely, 2^{221012101101022} is an apocalyptic number.

221012101101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221012101101022 is an abundant number, since it is smaller than the sum of its proper divisors (228465947882018).

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

221012101101022 is a wasteful number, since it uses less digits than its factorization.

221012101101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116847 (or 116840 counting only the distinct ones).

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

Adding to 221012101101022 its reverse (220101101210122), we get a palindrome (441113202311144).

The spelling of 221012101101022 in words is "two hundred twenty-one trillion, twelve billion, one hundred one million, one hundred one thousand, twenty-two".