20220221112002 has 4 divisors (see below), whose sum is σ = 30330331668006. Its totient is φ = 10110110556000.

The previous prime is 20220221111999. The next prime is 20220221112017. The reversal of 20220221112002 is 20021112202202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18841407367561 + 1378813744441 = 4340669^2 + 1174229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055055277999 + ... + 5055055278002.

Almost surely, 2^{20220221112002} is an apocalyptic number.

20220221112002 is a deficient number, since it is larger than the sum of its proper divisors (10110110556004).

20220221112002 is a wasteful number, since it uses less digits than its factorization.

20220221112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110110556003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220221112002 its reverse (20021112202202), we get a palindrome (40241333314204).

The spelling of 20220221112002 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two".