1211100132030 has 16 divisors (see below), whose sum is σ = 2906640316944. Its totient is φ = 322960035200.

The previous prime is 1211100131999. The next prime is 1211100132041. The reversal of 1211100132030 is 302310011121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 20185002171 + ... + 20185002230.

It is an arithmetic number, because the mean of its divisors is an integer number (181665019809).

Almost surely, 2^{1211100132030} is an apocalyptic number.

1211100132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211100132030 is an abundant number, since it is smaller than the sum of its proper divisors (1695540184914).

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

1211100132030 is a wasteful number, since it uses less digits than its factorization.

1211100132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370004411.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1211100132030 its reverse (302310011121), we get a palindrome (1513410143151).

The spelling of 1211100132030 in words is "one trillion, two hundred eleven billion, one hundred million, one hundred thirty-two thousand, thirty".