1210022101 has 8 divisors (see below), whose sum is σ = 1249512704. Its totient is φ = 1170560160.

The previous prime is 1210022089. The next prime is 1210022113. The reversal of 1210022101 is 1012200121.

It is an interprime number because it is at equal distance from previous prime (1210022089) and next prime (1210022113).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210022101 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 (1210022131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108550 + ... + 119176.

It is an arithmetic number, because the mean of its divisors is an integer number (156189088).

Almost surely, 2^1210022101 is an apocalyptic number.

It is an amenable number.

1210022101 is a deficient number, since it is larger than the sum of its proper divisors (39490603).

1210022101 is a wasteful number, since it uses less digits than its factorization.

1210022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14331.

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

The square root of 1210022101 is about 34785.3719399405. The cubic root of 1210022101 is about 1065.6087245715.

Adding to 1210022101 its reverse (1012200121), we get a palindrome (2222222222).

The spelling of 1210022101 in words is "one billion, two hundred ten million, twenty-two thousand, one hundred one".