1211112102194 has 32 divisors (see below), whose sum is σ = 1856617251840. Its totient is φ = 592344853632.

The previous prime is 1211112102163. The next prime is 1211112102197. The reversal of 1211112102194 is 4912012111121.

It is a super-2 number, since 2×1211112102194² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211112102197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43894127 + ... + 43921709.

It is an arithmetic number, because the mean of its divisors is an integer number (58019289120).

Almost surely, 2^{1211112102194} is an apocalyptic number.

1211112102194 is a deficient number, since it is larger than the sum of its proper divisors (645505149646).

1211112102194 is a wasteful number, since it uses less digits than its factorization.

1211112102194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29474.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 1211112102194 in words is "one trillion, two hundred eleven billion, one hundred twelve million, one hundred two thousand, one hundred ninety-four".