100001121220110 has 64 divisors (see below), whose sum is σ = 261914527261440. Its totient is φ = 24234046990080.

The previous prime is 100001121220079. The next prime is 100001121220123. The reversal of 100001121220110 is 11022121100001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53130255 + ... + 54980234.

It is an arithmetic number, because the mean of its divisors is an integer number (4092414488460).

Almost surely, 2^{100001121220110} is an apocalyptic number.

100001121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001121220110 is an abundant number, since it is smaller than the sum of its proper divisors (161913406041330).

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

100001121220110 is a wasteful number, since it uses less digits than its factorization.

100001121220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108113313.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100001121220110 its reverse (11022121100001), we get a palindrome (111023242320111).

The spelling of 100001121220110 in words is "one hundred trillion, one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".