103021220144 has 20 divisors (see below), whose sum is σ = 199809209160. Its totient is φ = 51457553280.

The previous prime is 103021220119. The next prime is 103021220153. The reversal of 103021220144 is 441022120301.

It is a super-2 number, since 2×103021220144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300029 + ... + 3331100.

It is an arithmetic number, because the mean of its divisors is an integer number (9990460458).

Almost surely, 2^103021220144 is an apocalyptic number.

It is an amenable number.

103021220144 is a deficient number, since it is larger than the sum of its proper divisors (96787989016).

103021220144 is an equidigital number, since it uses as much as digits as its factorization.

103021220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632108 (or 6632102 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 103021220144 its reverse (441022120301), we get a palindrome (544043340445).

The spelling of 103021220144 in words is "one hundred three billion, twenty-one million, two hundred twenty thousand, one hundred forty-four".