10100202021122 has 4 divisors (see below), whose sum is σ = 15150303031686. Its totient is φ = 5050101010560.

The previous prime is 10100202021103. The next prime is 10100202021281. The reversal of 10100202021122 is 22112020200101.

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

It can be written as a sum of positive squares in only one way, i.e., 9688845261481 + 411356759641 = 3112691^2 + 641371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10100202021097 and 10100202021106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525050505279 + ... + 2525050505282.

Almost surely, 2^{10100202021122} is an apocalyptic number.

10100202021122 is a deficient number, since it is larger than the sum of its proper divisors (5050101010564).

10100202021122 is an equidigital number, since it uses as much as digits as its factorization.

10100202021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050101010563.

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

Adding to 10100202021122 its reverse (22112020200101), we get a palindrome (32212222221223).

The spelling of 10100202021122 in words is "ten trillion, one hundred billion, two hundred two million, twenty-one thousand, one hundred twenty-two".