211120122221010 has 96 divisors (see below), whose sum is σ = 549224016829488. Its totient is φ = 56266739343360.

The previous prime is 211120122221009. The next prime is 211120122221119. The reversal of 211120122221010 is 10122221021112.

211120122221010 is a `hidden beast` number, since 21 + 1 + 1 + 201 + 222 + 210 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 110566297532601 + 100553824688409 = 10515051^2 + 10027653^2 .

It is a super-2 number, since 2×211120122221010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1141634314 + ... + 1141819226.

Almost surely, 2^{211120122221010} is an apocalyptic number.

211120122221010 is an abundant number, since it is smaller than the sum of its proper divisors (338103894608478).

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

211120122221010 is a wasteful number, since it uses less digits than its factorization.

211120122221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192060 (or 192057 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211120122221010 its reverse (10122221021112), we get a palindrome (221242343242122).

The spelling of 211120122221010 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, ten".