101121220122210 has 24 divisors (see below), whose sum is σ = 262915172317980. Its totient is φ = 26965658699232.

The previous prime is 101121220122199. The next prime is 101121220122239. The reversal of 101121220122210 is 12221022121101.

101121220122210 is a `hidden beast` number, since 1 + 0 + 112 + 1 + 220 + 122 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91924624079289 + 9196596042921 = 9587733^2 + 3032589^2 .

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 11 ways as a sum of consecutive naturals, for example, 561784556145 + ... + 561784556324.

Almost surely, 2^{101121220122210} is an apocalyptic number.

101121220122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121220122210 is an abundant number, since it is smaller than the sum of its proper divisors (161793952195770).

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

101121220122210 is a wasteful number, since it uses less digits than its factorization.

101121220122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123569112482 (or 1123569112479 counting only the distinct ones).

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

Adding to 101121220122210 its reverse (12221022121101), we get a palindrome (113342242243311).

The spelling of 101121220122210 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred ten".