102011401 has 4 divisors (see below), whose sum is σ = 102232192. Its totient is φ = 101790612.

The previous prime is 102011387. The next prime is 102011411. The reversal of 102011401 is 104110201.

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 not a de Polignac number, because 102011401 - 2¹⁵ = 101978633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011411) 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, 109701 + ... + 110626.

It is an arithmetic number, because the mean of its divisors is an integer number (25558048).

Almost surely, 2^102011401 is an apocalyptic number.

It is an amenable number.

102011401 is a deficient number, since it is larger than the sum of its proper divisors (220791).

102011401 is an equidigital number, since it uses as much as digits as its factorization.

102011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220790.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102011401 is about 10100.0693561975. The cubic root of 102011401 is about 467.2502804287.

Adding to 102011401 its reverse (104110201), we get a palindrome (206121602).

It can be divided in two parts, 1020 and 11401, that added together give a palindrome (12421).

The spelling of 102011401 in words is "one hundred two million, eleven thousand, four hundred one".