1020122121203 has 8 divisors (see below), whose sum is σ = 1030759211328. Its totient is φ = 1009487487744.

The previous prime is 1020122121199. The next prime is 1020122121247. The reversal of 1020122121203 is 3021212210201.

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 1020122121203 - 2² = 1020122121199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020122121283) 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, 226625 + ... + 1446237.

It is an arithmetic number, because the mean of its divisors is an integer number (128844901416).

Almost surely, 2^{1020122121203} is an apocalyptic number.

1020122121203 is a deficient number, since it is larger than the sum of its proper divisors (10637090125).

1020122121203 is an equidigital number, since it uses as much as digits as its factorization.

1020122121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228333.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1020122121203 its reverse (3021212210201), we get a palindrome (4041334331404).

The spelling of 1020122121203 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred three".