201020222021102 has 16 divisors (see below), whose sum is σ = 328943848780800. Its totient is φ = 91372365054840.

The previous prime is 201020222021081. The next prime is 201020222021117. The reversal of 201020222021102 is 201120222020102.

It is a happy number.

It is a super-2 number, since 2×201020222021102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18698702 + ... + 27416817.

It is an arithmetic number, because the mean of its divisors is an integer number (20558990548800).

Almost surely, 2^{201020222021102} is an apocalyptic number.

201020222021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201020222021102 is a deficient number, since it is larger than the sum of its proper divisors (127923626759698).

201020222021102 is a wasteful number, since it uses less digits than its factorization.

201020222021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46313671.

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

Adding to 201020222021102 its reverse (201120222020102), we get a palindrome (402140444041204).

The spelling of 201020222021102 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred two".