102120202001101 has 4 divisors (see below), whose sum is σ = 102127773765312. Its totient is φ = 102112630236892.

The previous prime is 102120202001053. The next prime is 102120202001113. The reversal of 102120202001101 is 101100202021201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120202001101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120202001131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785861875 + ... + 3785888848.

It is an arithmetic number, because the mean of its divisors is an integer number (25531943441328).

Almost surely, 2^{102120202001101} is an apocalyptic number.

It is an amenable number.

102120202001101 is a deficient number, since it is larger than the sum of its proper divisors (7571764211).

102120202001101 is an equidigital number, since it uses as much as digits as its factorization.

102120202001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571764210.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120202001101 its reverse (101100202021201), we get a palindrome (203220404022302).

The spelling of 102120202001101 in words is "one hundred two trillion, one hundred twenty billion, two hundred two million, one thousand, one hundred one".