221100021101102 has 24 divisors (see below), whose sum is σ = 392582554954968. Its totient is φ = 92769239621520.

The previous prime is 221100021101087. The next prime is 221100021101137. The reversal of 221100021101102 is 201101120001122.

It is a super-2 number, since 2×221100021101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35139860348 + ... + 35139866639.

It is an arithmetic number, because the mean of its divisors is an integer number (16357606456457).

Almost surely, 2^{221100021101102} is an apocalyptic number.

221100021101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221100021101102 is a deficient number, since it is larger than the sum of its proper divisors (171482533853866).

221100021101102 is a wasteful number, since it uses less digits than its factorization.

221100021101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70279727024 (or 70279727013 counting only the distinct ones).

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

Adding to 221100021101102 its reverse (201101120001122), we get a palindrome (422201141102224).

The spelling of 221100021101102 in words is "two hundred twenty-one trillion, one hundred billion, twenty-one million, one hundred one thousand, one hundred two".