210221112011628 has 48 divisors (see below), whose sum is σ = 490746718138880. Its totient is φ = 70040735640000.

The previous prime is 210221112011627. The next prime is 210221112011639. The reversal of 210221112011628 is 826110211122012.

It is a junction number, because it is equal to n+sod(n) for n = 210221112011595 and 210221112011604.

It is not an unprimeable number, because it can be changed into a prime (210221112011621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368648258 + ... + 1368801846.

Almost surely, 2^{210221112011628} is an apocalyptic number.

It is an amenable number.

210221112011628 is an abundant number, since it is smaller than the sum of its proper divisors (280525606127252).

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

210221112011628 is a wasteful number, since it uses less digits than its factorization.

210221112011628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206518 (or 206516 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The spelling of 210221112011628 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, six hundred twenty-eight".