120221100211020 has 24 divisors (see below), whose sum is σ = 336619080591024. Its totient is φ = 32058960056256.

The previous prime is 120221100211019. The next prime is 120221100211021. The reversal of 120221100211020 is 20112001122021.

It is an interprime number because it is at equal distance from previous prime (120221100211019) and next prime (120221100211021).

It is a super-2 number, since 2×120221100211020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120221100211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001842501699 + ... + 1001842501818.

It is an arithmetic number, because the mean of its divisors is an integer number (14025795024626).

Almost surely, 2^{120221100211020} is an apocalyptic number.

120221100211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221100211020 is an abundant number, since it is smaller than the sum of its proper divisors (216397980380004).

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

120221100211020 is a wasteful number, since it uses less digits than its factorization.

120221100211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003685003529 (or 2003685003527 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120221100211020 its reverse (20112001122021), we get a palindrome (140333101333041).

The spelling of 120221100211020 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred million, two hundred eleven thousand, twenty".