2100121111022 has 8 divisors (see below), whose sum is σ = 3436561818072. Its totient is φ = 954600505000.

The previous prime is 2100121110979. The next prime is 2100121111037. The reversal of 2100121111022 is 2201111210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2100121110988 and 2100121111006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47730025229 + ... + 47730025272.

It is an arithmetic number, because the mean of its divisors is an integer number (429570227259).

Almost surely, 2^{2100121111022} is an apocalyptic number.

2100121111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100121111022 is a deficient number, since it is larger than the sum of its proper divisors (1336440707050).

2100121111022 is a wasteful number, since it uses less digits than its factorization.

2100121111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95460050514.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100121111022 its reverse (2201111210012), we get a palindrome (4301232321034).

The spelling of 2100121111022 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".