201001211001010 has 128 divisors (see below), whose sum is σ = 421336694573568. Its totient is φ = 67619059200000.

The previous prime is 201001211001007. The next prime is 201001211001037. The reversal of 201001211001010 is 10100112100102.

It is a super-3 number, since 3×201001211001010³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7909995205 + ... + 7910020615.

It is an arithmetic number, because the mean of its divisors is an integer number (3291692926356).

Almost surely, 2^{201001211001010} is an apocalyptic number.

201001211001010 is an abundant number, since it is smaller than the sum of its proper divisors (220335483572558).

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

201001211001010 is a wasteful number, since it uses less digits than its factorization.

201001211001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35540.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201001211001010 its reverse (10100112100102), we get a palindrome (211101323101112).

The spelling of 201001211001010 in words is "two hundred one trillion, one billion, two hundred eleven million, one thousand, ten".