32220121111020 has 144 divisors (see below), whose sum is σ = 97886705000448. Its totient is φ = 8578644370560.

The previous prime is 32220121111019. The next prime is 32220121111021. The reversal of 32220121111020 is 2011112102223.

32220121111020 is a `hidden beast` number, since 322 + 2 + 0 + 1 + 211 + 110 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (32220121111019) and next prime (32220121111021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32220121110984 and 32220121111002.

It is not an unprimeable number, because it can be changed into a prime (32220121111021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 833166285 + ... + 833204955.

Almost surely, 2^{32220121111020} is an apocalyptic number.

32220121111020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32220121111020 is an abundant number, since it is smaller than the sum of its proper divisors (65666583889428).

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

32220121111020 is a wasteful number, since it uses less digits than its factorization.

32220121111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45780 (or 45775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 32220121111020 its reverse (2011112102223), we get a palindrome (34231233213243).

The spelling of 32220121111020 in words is "thirty-two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, twenty".