2101102142 has 8 divisors (see below), whose sum is σ = 3260331000. Its totient is φ = 1014325144.

The previous prime is 2101102123. The next prime is 2101102153. The reversal of 2101102142 is 2412011012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2101102142² = 8829260422233976328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18112892 + ... + 18113007.

It is an arithmetic number, because the mean of its divisors is an integer number (407541375).

Almost surely, 2^2101102142 is an apocalyptic number.

2101102142 is a deficient number, since it is larger than the sum of its proper divisors (1159228858).

2101102142 is a wasteful number, since it uses less digits than its factorization.

2101102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225930.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2101102142 is about 45837.7807272560. The cubic root of 2101102142 is about 1280.8031543911.

Adding to 2101102142 its reverse (2412011012), we get a palindrome (4513113154).

The spelling of 2101102142 in words is "two billion, one hundred one million, one hundred two thousand, one hundred forty-two".