20022211221002 has 32 divisors (see below), whose sum is σ = 30425883888960. Its totient is φ = 9880498186240.

The previous prime is 20022211220983. The next prime is 20022211221043. The reversal of 20022211221002 is 20012211222002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917555252 + ... + 917577072.

It is an arithmetic number, because the mean of its divisors is an integer number (950808871530).

Almost surely, 2^{20022211221002} is an apocalyptic number.

20022211221002 is a deficient number, since it is larger than the sum of its proper divisors (10403672667958).

20022211221002 is a wasteful number, since it uses less digits than its factorization.

20022211221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27238.

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

Adding to 20022211221002 its reverse (20012211222002), we get a palindrome (40034422443004).

It can be divided in two parts, 2002221 and 1221002, that added together give a palindrome (3223223).

The spelling of 20022211221002 in words is "twenty trillion, twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, two".