201001121011210 has 16 divisors (see below), whose sum is σ = 389632942268136. Its totient is φ = 74215798527168.

The previous prime is 201001121011169. The next prime is 201001121011279. The reversal of 201001121011210 is 12110121100102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124476573806649 + 76524547204561 = 11156907^2 + 8747831^2 .

It is a super-2 number, since 2×201001121011210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773081234529 + ... + 773081234788.

Almost surely, 2^{201001121011210} is an apocalyptic number.

201001121011210 is a deficient number, since it is larger than the sum of its proper divisors (188631821256926).

201001121011210 is a wasteful number, since it uses less digits than its factorization.

201001121011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546162469337.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201001121011210 its reverse (12110121100102), we get a palindrome (213111242111312).

The spelling of 201001121011210 in words is "two hundred one trillion, one billion, one hundred twenty-one million, eleven thousand, two hundred ten".