210021120111148 has 48 divisors (see below), whose sum is σ = 370139793408000. Its totient is φ = 104269579158528.

The previous prime is 210021120111109. The next prime is 210021120111149. The reversal of 210021120111148 is 841111021120012.

It is not an unprimeable number, because it can be changed into a prime (210021120111149) 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, 1368950668 + ... + 1369104076.

It is an arithmetic number, because the mean of its divisors is an integer number (7711245696000).

Almost surely, 2^{210021120111148} is an apocalyptic number.

It is an amenable number.

210021120111148 is a deficient number, since it is larger than the sum of its proper divisors (160118673296852).

210021120111148 is a wasteful number, since it uses less digits than its factorization.

210021120111148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157774 (or 157772 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 25.

The spelling of 210021120111148 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, one hundred forty-eight".