2100121022012 has 12 divisors (see below), whose sum is σ = 3957920387736. Its totient is φ = 969286625520.

The previous prime is 2100121022003. The next prime is 2100121022093. The reversal of 2100121022012 is 2102201210012.

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, 20193471314 + ... + 20193471417.

It is an arithmetic number, because the mean of its divisors is an integer number (329826698978).

Almost surely, 2^{2100121022012} is an apocalyptic number.

It is an amenable number.

2100121022012 is a deficient number, since it is larger than the sum of its proper divisors (1857799365724).

2100121022012 is a wasteful number, since it uses less digits than its factorization.

2100121022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40386942748 (or 40386942746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100121022012 its reverse (2102201210012), we get a palindrome (4202322232024).

The spelling of 2100121022012 in words is "two trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, twelve".