2212521653106 has 12 divisors (see below), whose sum is σ = 4793796915102. Its totient is φ = 737507217696.

The previous prime is 2212521653101. The next prime is 2212521653123. The reversal of 2212521653106 is 6013561252122.

2212521653106 is a `hidden beast` number, since 2 + 2 + 125 + 216 + 5 + 310 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2092677598881 + 119844054225 = 1446609^2 + 346185^2 .

It is not an unprimeable number, because it can be changed into a prime (2212521653101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61458934791 + ... + 61458934826.

Almost surely, 2^{2212521653106} is an apocalyptic number.

2212521653106 is an abundant number, since it is smaller than the sum of its proper divisors (2581275261996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212521653106 is a wasteful number, since it uses less digits than its factorization.

2212521653106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122917869625 (or 122917869622 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 2212521653106 in words is "two trillion, two hundred twelve billion, five hundred twenty-one million, six hundred fifty-three thousand, one hundred six".