210111100121120 has 48 divisors (see below), whose sum is σ = 541513608043968. Its totient is φ = 76404036407040.

The previous prime is 210111100121089. The next prime is 210111100121173. The reversal of 210111100121120 is 21121001111012.

It is a junction number, because it is equal to n+sod(n) for n = 210111100121095 and 210111100121104.

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, 59690651684 + ... + 59690655203.

It is an arithmetic number, because the mean of its divisors is an integer number (11281533500916).

Almost surely, 2^{210111100121120} is an apocalyptic number.

210111100121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210111100121120 is an abundant number, since it is smaller than the sum of its proper divisors (331402507922848).

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

210111100121120 is a wasteful number, since it uses less digits than its factorization.

210111100121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119381306913 (or 119381306905 counting only the distinct ones).

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

Adding to 210111100121120 its reverse (21121001111012), we get a palindrome (231232101232132).

The spelling of 210111100121120 in words is "two hundred ten trillion, one hundred eleven billion, one hundred million, one hundred twenty-one thousand, one hundred twenty".