221011202012000 has 48 divisors (see below), whose sum is σ = 543024523353312. Its totient is φ = 88404480803200.

The previous prime is 221011202011939. The next prime is 221011202012009. The reversal of 221011202012000 is 210202110122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011202012009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27626396252 + ... + 27626404251.

It is an arithmetic number, because the mean of its divisors is an integer number (11313010903194).

Almost surely, 2^{221011202012000} is an apocalyptic number.

221011202012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221011202012000 is an abundant number, since it is smaller than the sum of its proper divisors (322013321341312).

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

221011202012000 is an equidigital number, since it uses as much as digits as its factorization.

221011202012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55252800528 (or 55252800510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221011202012000 its reverse (210202110122), we get a palindrome (221221404122122).

The spelling of 221011202012000 in words is "two hundred twenty-one trillion, eleven billion, two hundred two million, twelve thousand".