201001211000010 has 48 divisors (see below), whose sum is σ = 522635630343840. Its totient is φ = 53596991472480.

The previous prime is 201001210999961. The next prime is 201001211000017. The reversal of 201001211000010 is 10000112100102.

It is a happy number.

It is a super-3 number, since 3×201001211000010³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201001210999956 and 201001211000001.

It is not an unprimeable number, because it can be changed into a prime (201001211000017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67949200 + ... + 70845579.

It is an arithmetic number, because the mean of its divisors is an integer number (10888242298830).

Almost surely, 2^{201001211000010} is an apocalyptic number.

201001211000010 is an abundant number, since it is smaller than the sum of its proper divisors (321634419343830).

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

201001211000010 is a wasteful number, since it uses less digits than its factorization.

201001211000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138810883 (or 138810880 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201001211000010 its reverse (10000112100102), we get a palindrome (211001323100112).

The spelling of 201001211000010 in words is "two hundred one trillion, one billion, two hundred eleven million, ten", and thus it is an aban number.