2100121101022 has 16 divisors (see below), whose sum is σ = 3601314414432. Its totient is φ = 899775197280.

The previous prime is 2100121101011. The next prime is 2100121101053. The reversal of 2100121101022 is 2201011210012.

It is a junction number, because it is equal to n+sod(n) for n = 2100121100993 and 2100121101011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23011429 + ... + 23102512.

It is an arithmetic number, because the mean of its divisors is an integer number (225082150902).

Almost surely, 2^{2100121101022} is an apocalyptic number.

2100121101022 is a deficient number, since it is larger than the sum of its proper divisors (1501193313410).

2100121101022 is a wasteful number, since it uses less digits than its factorization.

2100121101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46117203.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100121101022 its reverse (2201011210012), we get a palindrome (4301132311034).

The spelling of 2100121101022 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, twenty-two".