201222220010 has 32 divisors (see below), whose sum is σ = 422750154240. Its totient is φ = 67522591872.

The previous prime is 201222219953. The next prime is 201222220013. The reversal of 201222220010 is 10022222102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (201222220013) 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, 30577595 + ... + 30584174.

It is an arithmetic number, because the mean of its divisors is an integer number (13210942320).

Almost surely, 2^201222220010 is an apocalyptic number.

201222220010 is an abundant number, since it is smaller than the sum of its proper divisors (221527934230).

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

201222220010 is a wasteful number, since it uses less digits than its factorization.

201222220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61161830.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201222220010 its reverse (10022222102), we get a palindrome (211244442112).

The spelling of 201222220010 in words is "two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, ten".