2100220201012 has 6 divisors (see below), whose sum is σ = 3675385351778. Its totient is φ = 1050110100504.

The previous prime is 2100220201007. The next prime is 2100220201097. The reversal of 2100220201012 is 2101020220012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1211751833616 + 888468367396 = 1100796^2 + 942586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100220200983 and 2100220201001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262527525123 + ... + 262527525130.

Almost surely, 2^{2100220201012} is an apocalyptic number.

It is an amenable number.

2100220201012 is a deficient number, since it is larger than the sum of its proper divisors (1575165150766).

2100220201012 is a wasteful number, since it uses less digits than its factorization.

2100220201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525055050257 (or 525055050255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100220201012 its reverse (2101020220012), we get a palindrome (4201240421024).

The spelling of 2100220201012 in words is "two trillion, one hundred billion, two hundred twenty million, two hundred one thousand, twelve".