100121011211120 has 40 divisors (see below), whose sum is σ = 232803257752464. Its totient is φ = 40044635592192.

The previous prime is 100121011211069. The next prime is 100121011211141. The reversal of 100121011211120 is 21112110121001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 100121011211095 and 100121011211104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58033469 + ... + 59733788.

Almost surely, 2^{100121011211120} is an apocalyptic number.

100121011211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121011211120 is an abundant number, since it is smaller than the sum of its proper divisors (132682246541344).

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

100121011211120 is a wasteful number, since it uses less digits than its factorization.

100121011211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117777897 (or 117777891 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100121011211120 its reverse (21112110121001), we get a palindrome (121233121332121).

The spelling of 100121011211120 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred eleven thousand, one hundred twenty".