1202100022101 has 32 divisors (see below), whose sum is σ = 1769401001088. Its totient is φ = 719864893440.

The previous prime is 1202100022091. The next prime is 1202100022127. The reversal of 1202100022101 is 1012200012021.

It is not a de Polignac number, because 1202100022101 - 2¹¹ = 1202100020053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100022301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670691 + ... + 2279343.

It is an arithmetic number, because the mean of its divisors is an integer number (55293781284).

Almost surely, 2^{1202100022101} is an apocalyptic number.

1202100022101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202100022101 is a deficient number, since it is larger than the sum of its proper divisors (567300978987).

1202100022101 is a wasteful number, since it uses less digits than its factorization.

1202100022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609381.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202100022101 its reverse (1012200012021), we get a palindrome (2214300034122).

The spelling of 1202100022101 in words is "one trillion, two hundred two billion, one hundred million, twenty-two thousand, one hundred one".