1202112101 has 4 divisors (see below), whose sum is σ = 1203872832. Its totient is φ = 1200351372.

The previous prime is 1202112077. The next prime is 1202112113. The reversal of 1202112101 is 1012112021.

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 1202112101 - 2¹⁴ = 1202095717 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 (1202111101) 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, 879341 + ... + 880706.

It is an arithmetic number, because the mean of its divisors is an integer number (300968208).

Almost surely, 2^1202112101 is an apocalyptic number.

It is an amenable number.

1202112101 is a deficient number, since it is larger than the sum of its proper divisors (1760731).

1202112101 is an equidigital number, since it uses as much as digits as its factorization.

1202112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760730.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1202112101 is about 34671.4883009080. The cubic root of 1202112101 is about 1063.2816599355.

Adding to 1202112101 its reverse (1012112021), we get a palindrome (2214224122).

The spelling of 1202112101 in words is "one billion, two hundred two million, one hundred twelve thousand, one hundred one".