2120021220002 has 32 divisors (see below), whose sum is σ = 3673603758720. Its totient is φ = 898769364480.

The previous prime is 2120021220001. The next prime is 2120021220059. The reversal of 2120021220002 is 2000221200212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2120021220001) 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, 2370677 + ... + 3140087.

It is an arithmetic number, because the mean of its divisors is an integer number (114800117460).

Almost surely, 2^{2120021220002} is an apocalyptic number.

2120021220002 is a deficient number, since it is larger than the sum of its proper divisors (1553582538718).

2120021220002 is a wasteful number, since it uses less digits than its factorization.

2120021220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771546.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120021220002 its reverse (2000221200212), we get a palindrome (4120242420214).

It can be divided in two parts, 21200212 and 20002, that multiplied together give a palindrome (424046640424).

The spelling of 2120021220002 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred twenty thousand, two".