201010021092 has 48 divisors (see below), whose sum is σ = 521342734080. Its totient is φ = 66976900704.

The previous prime is 201010021087. The next prime is 201010021097. The reversal of 201010021092 is 290120010102.

201010021092 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201010021087) and next prime (201010021097).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201010021097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91303 + ... + 640590.

It is an arithmetic number, because the mean of its divisors is an integer number (10861306960).

Almost surely, 2^201010021092 is an apocalyptic number.

It is an amenable number.

201010021092 is an abundant number, since it is smaller than the sum of its proper divisors (320332712988).

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

201010021092 is a wasteful number, since it uses less digits than its factorization.

201010021092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734449 (or 734441 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 201010021092 its reverse (290120010102), we get a palindrome (491130031194).

The spelling of 201010021092 in words is "two hundred one billion, ten million, twenty-one thousand, ninety-two".