220210121002 has 8 divisors (see below), whose sum is σ = 332726241636. Its totient is φ = 109301373792.

The previous prime is 220210120987. The next prime is 220210121003. The reversal of 220210121002 is 200121012022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 212743260081 + 7466860921 = 461241^2 + 86411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220210121003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401843013 + ... + 401843560.

Almost surely, 2^220210121002 is an apocalyptic number.

220210121002 is a deficient number, since it is larger than the sum of its proper divisors (112516120634).

220210121002 is a wasteful number, since it uses less digits than its factorization.

220210121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803686712.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220210121002 its reverse (200121012022), we get a palindrome (420331133024).

The spelling of 220210121002 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, two".