901111002222101 has 16 divisors (see below), whose sum is σ = 989023625186688. Its totient is φ = 814198347916800.

The previous prime is 901111002222091. The next prime is 901111002222121. The reversal of 901111002222101 is 101222200111109.

It is a happy number.

It is not a de Polignac number, because 901111002222101 - 2⁴² = 896712955710997 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 (901111002222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9565460 + ... + 43516893.

It is an arithmetic number, because the mean of its divisors is an integer number (61813976574168).

Almost surely, 2^{901111002222101} is an apocalyptic number.

It is an amenable number.

901111002222101 is a deficient number, since it is larger than the sum of its proper divisors (87912622964587).

901111002222101 is a wasteful number, since it uses less digits than its factorization.

901111002222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53091772.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 901111002222101 in words is "nine hundred one trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred one".