2102101122194 has 4 divisors (see below), whose sum is σ = 3153151683294. Its totient is φ = 1051050561096.

The previous prime is 2102101122193. The next prime is 2102101122221. The reversal of 2102101122194 is 4912211012012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1095716965225 + 1006384156969 = 1046765^2 + 1003187^2 .

It is not an unprimeable number, because it can be changed into a prime (2102101122193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525525280547 + ... + 525525280550.

Almost surely, 2^{2102101122194} is an apocalyptic number.

2102101122194 is a deficient number, since it is larger than the sum of its proper divisors (1051050561100).

2102101122194 is a wasteful number, since it uses less digits than its factorization.

2102101122194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051050561099.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 2102101122194 in words is "two trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred ninety-four".