20101102200973 has 2 divisors, whose sum is σ = 20101102200974. Its totient is φ = 20101102200972.

The previous prime is 20101102200943. The next prime is 20101102201009. The reversal of 20101102200973 is 37900220110102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18930696287364 + 1170405913609 = 4350942^2 + 1081853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20101102200973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101102200943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050551100486 + 10050551100487.

It is an arithmetic number, because the mean of its divisors is an integer number (10050551100487).

Almost surely, 2^{20101102200973} is an apocalyptic number.

It is an amenable number.

20101102200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101102200973 is an equidigital number, since it uses as much as digits as its factorization.

20101102200973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 20101102200973 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred thousand, nine hundred seventy-three".