201101001010 has 64 divisors (see below), whose sum is σ = 445615075584. Its totient is φ = 63631008000.

The previous prime is 201101000951. The next prime is 201101001011. The reversal of 201101001010 is 10100101102.

It is a super-3 number, since 3×201101001010³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 201101000984 and 201101001002.

It is not an unprimeable number, because it can be changed into a prime (201101001011) 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, 4537960 + ... + 4582060.

It is an arithmetic number, because the mean of its divisors is an integer number (6962735556).

Almost surely, 2^201101001010 is an apocalyptic number.

201101001010 is an abundant number, since it is smaller than the sum of its proper divisors (244514074574).

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

201101001010 is a wasteful number, since it uses less digits than its factorization.

201101001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49139.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 201101001010 its reverse (10100101102), we get a palindrome (211201102112).

The spelling of 201101001010 in words is "two hundred one billion, one hundred one million, one thousand, ten".