2101112202122 has 16 divisors (see below), whose sum is σ = 3152902402944. Its totient is φ = 1050144810000.

The previous prime is 2101112202107. The next prime is 2101112202127. The reversal of 2101112202122 is 2212022111012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101112202122.

It is not an unprimeable number, because it can be changed into a prime (2101112202127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109760672 + ... + 109779812.

It is an arithmetic number, because the mean of its divisors is an integer number (197056400184).

Almost surely, 2^{2101112202122} is an apocalyptic number.

2101112202122 is a deficient number, since it is larger than the sum of its proper divisors (1051790200822).

2101112202122 is a wasteful number, since it uses less digits than its factorization.

2101112202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37765.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2101112202122 its reverse (2212022111012), we get a palindrome (4313134313134).

The spelling of 2101112202122 in words is "two trillion, one hundred one billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".