120221221100010 has 32 divisors (see below), whose sum is σ = 288539269044480. Its totient is φ = 32058065803968.

The previous prime is 120221221099961. The next prime is 120221221100017. The reversal of 120221221100010 is 10001122122021.

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 (120221221100017) 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, 56849890 + ... + 58926669.

It is an arithmetic number, because the mean of its divisors is an integer number (9016852157640).

Almost surely, 2^{120221221100010} is an apocalyptic number.

120221221100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120221221100010 is an abundant number, since it is smaller than the sum of its proper divisors (168318047944470).

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

120221221100010 is a wasteful number, since it uses less digits than its factorization.

120221221100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115811182.

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

Adding to 120221221100010 its reverse (10001122122021), we get a palindrome (130222343222031).

The spelling of 120221221100010 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred thousand, ten".