1122420101 has 8 divisors (see below), whose sum is σ = 1227371808. Its totient is φ = 1017954000.

The previous prime is 1122420097. The next prime is 1122420137. The reversal of 1122420101 is 1010242211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122420101 - 2² = 1122420097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122420181) 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, 116555 + ... + 125816.

It is an arithmetic number, because the mean of its divisors is an integer number (153421476).

Almost surely, 2^1122420101 is an apocalyptic number.

1122420101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122420101 is a deficient number, since it is larger than the sum of its proper divisors (104951707).

1122420101 is a wasteful number, since it uses less digits than its factorization.

1122420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242803.

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

The square root of 1122420101 is about 33502.5387246997. The cubic root of 1122420101 is about 1039.2462798862.

Adding to 1122420101 its reverse (1010242211), we get a palindrome (2132662312).

The spelling of 1122420101 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, one hundred one".