1201100020110 has 40 divisors (see below), whose sum is σ = 3229624500696. Its totient is φ = 320293338480.

The previous prime is 1201100020031. The next prime is 1201100020123. The reversal of 1201100020110 is 110200011021.

It is a happy number.

It is a super-3 number, since 3×1201100020110³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1201100020092 and 1201100020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 741418956 + ... + 741420575.

Almost surely, 2^{1201100020110} is an apocalyptic number.

1201100020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201100020110 is an abundant number, since it is smaller than the sum of its proper divisors (2028524480586).

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

1201100020110 is a wasteful number, since it uses less digits than its factorization.

1201100020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482839550 (or 1482839541 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1201100020110 its reverse (110200011021), we get a palindrome (1311300031131).

The spelling of 1201100020110 in words is "one trillion, two hundred one billion, one hundred million, twenty thousand, one hundred ten".