2101210121012 has 12 divisors (see below), whose sum is σ = 3697660270080. Its totient is φ = 1044735758136.

The previous prime is 2101210120969. The next prime is 2101210121027.

2101210121012 is nontrivially palindromic in base 10.

2101210121012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467324788 + ... + 1467326219.

It is an arithmetic number, because the mean of its divisors is an integer number (308138355840).

Almost surely, 2^{2101210121012} is an apocalyptic number.

It is an amenable number.

2101210121012 is a deficient number, since it is larger than the sum of its proper divisors (1596450149068).

2101210121012 is a wasteful number, since it uses less digits than its factorization.

2101210121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934651190 (or 2934651188 counting only the distinct ones).

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

It can be divided in two parts, 2101210 and 121012, that added together give a palindrome (2222222).

The spelling of 2101210121012 in words is "two trillion, one hundred one billion, two hundred ten million, one hundred twenty-one thousand, twelve".