20101222101202 has 96 divisors (see below), whose sum is σ = 35076340035648. Its totient is φ = 8566074000000.

The previous prime is 20101222101151. The next prime is 20101222101203. The reversal of 20101222101202 is 20210122210102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20101222101203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2030216452 + ... + 2030226352.

It is an arithmetic number, because the mean of its divisors is an integer number (365378542038).

Almost surely, 2^{20101222101202} is an apocalyptic number.

20101222101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101222101202 is a deficient number, since it is larger than the sum of its proper divisors (14975117934446).

20101222101202 is a wasteful number, since it uses less digits than its factorization.

20101222101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20101222101202 its reverse (20210122210102), we get a palindrome (40311344311304).

The spelling of 20101222101202 in words is "twenty trillion, one hundred one billion, two hundred twenty-two million, one hundred one thousand, two hundred two".