221211020111092 has 48 divisors (see below), whose sum is σ = 425809164582144. Its totient is φ = 100548802252800.

The previous prime is 221211020111069. The next prime is 221211020111117. The reversal of 221211020111092 is 290111020112122.

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, 356786917 + ... + 357406387.

It is an arithmetic number, because the mean of its divisors is an integer number (8871024262128).

Almost surely, 2^{221211020111092} is an apocalyptic number.

221211020111092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221211020111092 is a deficient number, since it is larger than the sum of its proper divisors (204598144471052).

221211020111092 is a wasteful number, since it uses less digits than its factorization.

221211020111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686581 (or 686557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 221211020111092 in words is "two hundred twenty-one trillion, two hundred eleven billion, twenty million, one hundred eleven thousand, ninety-two".