202022021102 has 16 divisors (see below), whose sum is σ = 331658312832. Its totient is φ = 91529073720.

The previous prime is 202022021101. The next prime is 202022021119. The reversal of 202022021102 is 201120220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14948978 + ... + 14962485.

It is an arithmetic number, because the mean of its divisors is an integer number (20728644552).

Almost surely, 2^202022021102 is an apocalyptic number.

202022021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202022021102 is a deficient number, since it is larger than the sum of its proper divisors (129636291730).

202022021102 is a wasteful number, since it uses less digits than its factorization.

202022021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29911783.

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

Adding to 202022021102 its reverse (201120220202), we get a palindrome (403142241304).

Subtracting from 202022021102 its reverse (201120220202), we obtain a square (901800900 = 30030²).

The spelling of 202022021102 in words is "two hundred two billion, twenty-two million, twenty-one thousand, one hundred two".