3100121223220 has 48 divisors (see below), whose sum is σ = 7440514800768. Its totient is φ = 1062866724480.

The previous prime is 3100121223181. The next prime is 3100121223229. The reversal of 3100121223220 is 223221210013.

It is a super-2 number, since 2×3100121223220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100121223229) 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, 4596030 + ... + 5227210.

It is an arithmetic number, because the mean of its divisors is an integer number (155010725016).

Almost surely, 2^{3100121223220} is an apocalyptic number.

It is an amenable number.

3100121223220 is an abundant number, since it is smaller than the sum of its proper divisors (4340393577548).

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

3100121223220 is a wasteful number, since it uses less digits than its factorization.

3100121223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666280 (or 666278 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3100121223220 its reverse (223221210013), we get a palindrome (3323342433233).

The spelling of 3100121223220 in words is "three trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty".