201102211121010 has 32 divisors (see below), whose sum is σ = 483459211128960. Its totient is φ = 53536822472448.

The previous prime is 201102211120997. The next prime is 201102211121011. The reversal of 201102211121010 is 10121112201102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (201102211121011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5652096070 + ... + 5652131649.

It is an arithmetic number, because the mean of its divisors is an integer number (15108100347780).

Almost surely, 2^{201102211121010} is an apocalyptic number.

201102211121010 is an abundant number, since it is smaller than the sum of its proper divisors (282357000007950).

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

201102211121010 is a wasteful number, since it uses less digits than its factorization.

201102211121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304228322.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201102211121010 its reverse (10121112201102), we get a palindrome (211223323322112).

The spelling of 201102211121010 in words is "two hundred one trillion, one hundred two billion, two hundred eleven million, one hundred twenty-one thousand, ten".