1020000020122 has 16 divisors (see below), whose sum is σ = 1534515599232. Its totient is φ = 508495024800.

The previous prime is 1020000020119. The next prime is 1020000020159. The reversal of 1020000020122 is 2210200000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020000020099 and 1020000020108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12034063 + ... + 12118525.

It is an arithmetic number, because the mean of its divisors is an integer number (95907224952).

Almost surely, 2^{1020000020122} is an apocalyptic number.

1020000020122 is a deficient number, since it is larger than the sum of its proper divisors (514515579110).

1020000020122 is a wasteful number, since it uses less digits than its factorization.

1020000020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102213.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020000020122 its reverse (2210200000201), we get a palindrome (3230200020323).

It can be divided in two parts, 10200000201 and 22, that multiplied together give a palindrome (224400004422).

The spelling of 1020000020122 in words is "one trillion, twenty billion, twenty thousand, one hundred twenty-two".