2011210122194 has 32 divisors (see below), whose sum is σ = 3908424535680. Its totient is φ = 753767586432.

The previous prime is 2011210122193. The next prime is 2011210122217. The reversal of 2011210122194 is 4912210121102.

It is a super-2 number, since 2×2011210122194² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2011210122193) 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, 290801939 + ... + 290808854.

It is an arithmetic number, because the mean of its divisors is an integer number (122138266740).

Almost surely, 2^{2011210122194} is an apocalyptic number.

2011210122194 is a deficient number, since it is larger than the sum of its proper divisors (1897214413486).

2011210122194 is a wasteful number, since it uses less digits than its factorization.

2011210122194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581610834.

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

Adding to 2011210122194 its reverse (4912210121102), we get a palindrome (6923420243296).

The spelling of 2011210122194 in words is "two trillion, eleven billion, two hundred ten million, one hundred twenty-two thousand, one hundred ninety-four".