1220101112102 has 4 divisors (see below), whose sum is σ = 1830151668156. Its totient is φ = 610050556050.

The previous prime is 1220101112071. The next prime is 1220101112137. The reversal of 1220101112102 is 2012111010221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305025278024 + ... + 305025278027.

It is an arithmetic number, because the mean of its divisors is an integer number (457537917039).

Almost surely, 2^{1220101112102} is an apocalyptic number.

1220101112102 is a deficient number, since it is larger than the sum of its proper divisors (610050556054).

1220101112102 is an equidigital number, since it uses as much as digits as its factorization.

1220101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610050556053.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220101112102 its reverse (2012111010221), we get a palindrome (3232212122323).

The spelling of 1220101112102 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, one hundred two".