1211020110032 has 40 divisors (see below), whose sum is σ = 2470249512960. Its totient is φ = 573546839040.

The previous prime is 1211020109987. The next prime is 1211020110103. The reversal of 1211020110032 is 2300110201121.

It is a junction number, because it is equal to n+sod(n) for n = 1211020109989 and 1211020110016.

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, 1543232 + ... + 2191712.

It is an arithmetic number, because the mean of its divisors is an integer number (61756237824).

Almost surely, 2^{1211020110032} is an apocalyptic number.

It is an amenable number.

1211020110032 is an abundant number, since it is smaller than the sum of its proper divisors (1259229402928).

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

1211020110032 is a wasteful number, since it uses less digits than its factorization.

1211020110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654651 (or 654645 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1211020110032 its reverse (2300110201121), we get a palindrome (3511130311153).

The spelling of 1211020110032 in words is "one trillion, two hundred eleven billion, twenty million, one hundred ten thousand, thirty-two".