121001102 has 4 divisors (see below), whose sum is σ = 181501656. Its totient is φ = 60500550.

The previous prime is 121001099. The next prime is 121001113. The reversal of 121001102 is 201100121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250274 + ... + 30250277.

It is an arithmetic number, because the mean of its divisors is an integer number (45375414).

Almost surely, 2^121001102 is an apocalyptic number.

121001102 is a deficient number, since it is larger than the sum of its proper divisors (60500554).

121001102 is an equidigital number, since it uses as much as digits as its factorization.

121001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60500553.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 121001102 is about 11000.0500907950. The cubic root of 121001102 is about 494.6102458598.

Adding to 121001102 its reverse (201100121), we get a palindrome (322101223).

The spelling of 121001102 in words is "one hundred twenty-one million, one thousand, one hundred two".