1101211199938 has 8 divisors (see below), whose sum is σ = 1651845837888. Its totient is φ = 550595920644.

The previous prime is 1101211199903. The next prime is 1101211199939. The reversal of 1101211199938 is 8399911121011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1101211199938² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101211199939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696606 + ... + 4925497.

It is an arithmetic number, because the mean of its divisors is an integer number (206480729736).

Almost surely, 2^{1101211199938} is an apocalyptic number.

1101211199938 is a deficient number, since it is larger than the sum of its proper divisors (550634637950).

1101211199938 is an equidigital number, since it uses as much as digits as its factorization.

1101211199938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679328.

The product of its (nonzero) digits is 34992, while the sum is 46.

The spelling of 1101211199938 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred ninety-nine thousand, nine hundred thirty-eight".