201101133021 has 32 divisors (see below), whose sum is σ = 298969574400. Its totient is φ = 119492156160.

The previous prime is 201101132989. The next prime is 201101133031. The reversal of 201101133021 is 120331101102.

It is a happy number.

It is not a de Polignac number, because 201101133021 - 2⁵ = 201101132989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101133031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458816 + ... + 2539286.

It is an arithmetic number, because the mean of its divisors is an integer number (9342799200).

Almost surely, 2^201101133021 is an apocalyptic number.

It is an amenable number.

201101133021 is a deficient number, since it is larger than the sum of its proper divisors (97868441379).

201101133021 is a wasteful number, since it uses less digits than its factorization.

201101133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83089.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201101133021 its reverse (120331101102), we get a palindrome (321432234123).

The spelling of 201101133021 in words is "two hundred one billion, one hundred one million, one hundred thirty-three thousand, twenty-one".