220210121004 has 48 divisors (see below), whose sum is σ = 534068790528. Its totient is φ = 70559011008.

The previous prime is 220210121003. The next prime is 220210121059. The reversal of 220210121004 is 400121012022.

It is a super-3 number, since 3×220210121004³ (a number of 35 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2950912 + ... + 3024615.

It is an arithmetic number, because the mean of its divisors is an integer number (11126433136).

Almost surely, 2^220210121004 is an apocalyptic number.

It is an amenable number.

220210121004 is an abundant number, since it is smaller than the sum of its proper divisors (313858669524).

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

220210121004 is a wasteful number, since it uses less digits than its factorization.

220210121004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975654 (or 5975652 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220210121004 its reverse (400121012022), we get a palindrome (620331133026).

The spelling of 220210121004 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, four".